Aansoo b coz every human on earth do this thing in many time in there life's perhaps there situations are different although they are happy or sad or they are younger or elder it's doesn't matter who is it isn't, ye wo cheez hai jo k her aik k pass available hai wo aik bacha ho ya bodha, Ameer ho ya ghareeb kala ya gora and in the end wo insaan ho ya haiwaan, That's it.